Panasonic ICX Manual

Page of 91
ICX-4.5-200
ICX (International) issued June 2000
89
Section 200 - General Description      
Chapter 6 - Specifications      
Signaling Characteristics
Signaling to CO  
Transmission Specifications  
DTMF Frequencies  
Item
Specification
Dial pulse
8 to 11 pulses per second
Break ratio
58% to 64%
Minimum pause
0.7 to 1.0 seconds
Trunk start signaling
Loop or ground start; E&M wink or immediate start
Item
Specification
Impedance
600 Ohms
Overload level
600 Ohms
Insertion Loss 
CO trunk to analog station
0 dB
Analog station to CO trunk
0 dB
CO trunk to digital station
0 dB
Digital station to CO trunk
0 dB
Digital station to digital station
6 dB
Digital station to analog station
6 dB
Analog station to digital station
6 dB
Analog station to analog station
6 dB
Digit
Frequency (Hz)
1
700 + 1200
2
700 + 1340
3
700 + 1480
4
760 + 1200
5
760 + 1340
6
760 + 1480
7
860 + 1200
860 + 1340
9
860 + 1480
0
940 + 1340
*
940 + 1200
#
940 + 1480